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Chemistry

Chemistry
Maximum permissible concentration of copper in drinking water in mg/L is

2
1
0.01
0.05

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Chemistry
Which type of fire extinguisher is used for petroleum fire ?

Soda acid type
Foam type
None of these
Powder type

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Chemistry
Match the sourc in Column B with the product of Column A. (Product) Column B (Source)A. Formic acid1. LemonB. Citric acid 2. TamarindC. Tartaric acid3. Ants

A B C 2 3 1
A B C3 2 1
A B C 3 1 2
A B C 2 1 3

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Chemistry
Sweat contains water and ________

Salt
Citric acid
Lactic acid
Vinegar

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Chemistry
'Atomic theory' of matter was given by

Avogadro
Pascal
Dalton
Newton

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Chemistry
The structure of NaCl crystal is

Body centered cubic
Face centered cubic
Square planar
Octahedral

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MORE MCQ ON Chemistry

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